BigBattery 48V ETHOS Stackable Battery [Choose Capacity: 10kWh-30kWh] -
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BigBattery 48V ETHOS Stackable Battery [Choose Capacity: 10kWh-30kWh] | On-Grid or Off-Grid | UN9540, UL1973, CE | 10-Year Warranty

Current price $4,050
Original price $4,739
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STACKABLE POWER STORAGE! BigBattery ETHOS 10.2KWH is here to revolutionize your home’s power. Our all new ETHOS battery system features a fully stackable and modular design, equipped with its own control box, in-depth LED display, and mounting system.

Whether you’re looking to ensure emergency backup power is available in your cabin or tiny home, or you’re looking to outfit your residential home with a powerful solar system, the ETHOS ensures reliable, efficient power delivery through every season. Equipped with an intelligent BMS featuring an auto-cell balancing function, as well as an IP65-rated casing, the ETHOS ensures long-lasting safety and durability. Plus, with its interactive LED display and CANBus/RS485 communication protocols, you’re always able to monitor the health and status of your power.

The BigBattery ETHOS 10.2KWH is certified to the highest level, including UN9540, UL1973, and CE certifications, affording the ability to grid-tie your power system and capitalize on net-metering programs and other tax incentives. The ETHOS is now available in 2-stack (10.24 kWh) and 3-stack (15.36 kWh) configurations, with the ability to expand upon your ETHOS system as needed. It’s time to take your home’s power to the next level! Shop the all-new 48V ETHOS today!

BigBattery ETHOS 10.2KWH Tech Specs

  • SKU: KIT0949
  • System Voltage: 48V
  • Nominal Voltage: 51.2V
  • Chemistry: LiFePO4
  • kWh Capacity: 10.24kWh
  • Ah Capacity: 200Ah
  • Charging Voltage Range: 55.6 - 57V
  • Max Charge Voltage: 57V
  • Operating Voltage Range: 48 – 57V
  • Suggested Low Voltage Cutoff: 48 – 50.8V
  • BMS Cutoff Range: 42 - 47V
  • Cell Configuration: 16S 2P
  • Max Continuous Discharge Current: 200A
  • Max Continuous Power: 10240W
  • Max Discharge Peak Current: 300A (Max 5 seconds)
  • Max Charge Current: 200A
  • Charge Temperature Range: 32°F - 113°F (0°C - 45°C)
  • Discharge Temperature Range: -4°F - 140°F (-20°C - 60°C)
  • Optimal Discharge Temperature Range: 59°F - 95°F (15°C - 35°C)
  • Storage Temperature Range (SoC >50%): -4°F - 113°F (-20°C - 45°C) (Max 6 months)
  • Weight: 273 lb (123.8 kg)
  • Depth: 6.7 in (170 mm)
  • Width: 26.5 in (674 mm)
  • Height: 43.3 in (1100 mm)
  • Max Connections: Up to (16) parallel connections per control box
  • Protection Rating: IP65
  • Communications: CANBus / RS485
  • Certifications: UL9540, UL9540a, UL1973, UN38.3, & CE

Designed For 48V Applications


Still Have Questions? Give us a call today 1-877-242-2792

What's Included:

  • 1 × ETHOS Control Box

  • 2 × 48V ETHOS 5.12kWh Stackable Battery Module

What is the Shop Solar Kits returns policy?

Returns are free in the first 30 days with no restocking or processing fees, although the customer must pay for the return shipping costs. See our complete return policy on our Shipping, Deliver, and Returns page.

What’s covered by the Shop Solar Kits returns policy?

Our returns policy covers all purchases made through Shop Solar Kits. For warranty issues, as authorized distributors, we honor the full manufacturer warranty of ALL the brands on our website. See our complete returns and warranty policies on our Shipping, Deliver, and Returns page.

How long will it take to receive my Shop Solar Kits order?

All orders are processed within 72 hours and you can expect delivery within 5 to 10 business days. You will receive access to our customer portal after ordering, where it is easy to track all your shipments. See our Shipping, Delivery and Returns page for more details.

What are the financing and payment options at Shop Solar Kits?

We offer several ways to pay to make getting your solar kit simple:

  • Credit Card: if the purchase is greater than your card’s limit, you can split the cost onto multiple cards as well as Paypal, financing through Affirm, and ACH/bank transfer
  • You can arrange financing during the checkout process, see our Financing page for more details

How does the Shop Solar Kits Lifetime Support work?

Our legendary lifetime customer support has helped make us the #1 solar kit retailer. We have a dedicated team of solar professionals standing by to help you navigate the world of solar with ease. From selecting the perfect solar kit to installation and beyond, we provide support and expertise at every step of the journey.If you need help with ordering, shipping, troubleshooting, expanding your system, warranty issues, or anything else you have questions about for as long as you own your Shop Solar Kits equipment, we’ve got you covered: we’re always only a phone call or email away.

Top Solar Company in the USA

Top Solar Company in the USA

The prestigious ranking by Consumer Affairs is based on comprehensive evaluations, including ratings and reviews, equipment options, support services, pricing transparency, warranties, and various other factors. Among the top 6 nominated companies, Shop Solar stands out with the highest review rating, reaffirming its dedication to customer satisfaction and product quality.

Best Components, Lowest Prices

Best Components, Lowest Prices

We cut out the bloat of traditional solar companies and pass those savings off to you. Plus, we provide free shipping on all solar kits and lifetime customer service on everything we sell.

Expert Guidance

Expert Guidance

Our team of solar professionals is here to help you navigate the world of solar with ease. From selecting the perfect solar kit to installation and beyond, we provide support and expertise at every step of the journey.


We’re people just like you

We’re not corporate and neither are our customers. We’re just a group of 50+ solar enthusiasts who are passionate about providing an honest, no-BS way for anyone, anywhere to improve their lives and the world around them with solar power.

Trusted Solar Authority

Trusted Solar Authority

With over 40,000+ happy customers, 2,500+ positive reviews, and decades of experience in the industry, we’re proud to say we’re America’s #1 solar power solutions provider. You can trust us to provide you with top-notch products and legendary customer service at every step of the way.